Просмотр статических страниц на AJAX

<?php
/*
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http://vsaite.net/
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Copyright (c) 2010 Vsaite.Net
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Данный код защищен авторскими правами
=====================================================
Файл: staticpage.php
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Fix: DLE 11.3 от (21.06.17)
Автор: SX2   
Сайт: http://sx2.name/ 
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Назначение: Открытие статических страниц при помощи AJAX
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*/
@error_reporting(E_ALL ^ E_WARNING ^ E_NOTICE);
@ini_set('display_errors', true);
@ini_set('html_errors', false);
@ini_set('error_reporting', E_ALL ^ E_WARNING ^ E_NOTICE);

define('DATALIFEENGINE', true);
define('ROOT_DIR', substr(dirname(__FILE__), 0, -12));
define('ENGINE_DIR', ROOT_DIR . '/engine');

include ENGINE_DIR . '/data/config.php';

date_default_timezone_set($config['date_adjust']);

if ($config['http_home_url'] == "") {
    
    $config['http_home_url'] = explode("engine/ajax/staticpage.php", $_SERVER['PHP_SELF']);
    $config['http_home_url'] = reset($config['http_home_url']);
    $config['http_home_url'] = "http://" . $_SERVER['HTTP_HOST'] . $config['http_home_url'];
    
}

require_once ENGINE_DIR . '/classes/mysql.php';
require_once ENGINE_DIR . '/data/dbconfig.php';
require_once ENGINE_DIR . '/modules/functions.php';

dle_session();

if ($config["lang_" . $config['skin']]) {
    if (file_exists(ROOT_DIR . '/language/' . $config["lang_" . $config['skin']] . '/website.lng')) {
        include_once ROOT_DIR . '/language/' . $config["lang_" . $config['skin']] . '/website.lng';
    } else
        die("Language file not found");
} else {
    
    include_once ROOT_DIR . '/language/' . $config['langs'] . '/website.lng';
    
}
$config['charset'] = ($lang['charset'] != '') ? $lang['charset'] : $config['charset'];

$pages = $_REQUEST['pages'];

if (!$pages)
    die("Error");

require_once ENGINE_DIR . '/modules/sitelogin.php';

@header("Content-type: text/css; charset=" . $config['charset']);

if ($_REQUEST['user_hash'] == "" OR $_REQUEST['user_hash'] != $dle_login_hash) {    
    die("<div id='staticpage'>{$lang['sess_error']}</div>");    
}

$row  = $db->super_query("SELECT descr,template FROM " . USERPREFIX . "_static WHERE name = '{$pages}'");
$text = $row['template'] ? $row['template'] : "Ошибка мля, нету такой страницы";
$text = str_replace('{ACCEPT-DECLINE}', "", stripslashes($text));
$descr = $row['descr'];

echo "<div id='staticpage' title='{$descr}'>{$text}</div>";

?>